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Finding the Fourth Proportional to 246,961.60, 370,528.80 and 106,820.80

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Solution

The fourth proportional to 246,961.60, 370,528.80 and 106,820.80 is: 160,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,961.60 : 370,528.80 = 106,820.80 : x
  2. Step 2: Convert to fraction form
    246,961.60/370,528.80 = 106,820.80/x
  3. Step 3: Cross multiply
    246,961.60x = 370,528.80 × 106,820.80
  4. Step 4: Simplify right side
    246,961.60x = 39,580,182,839.04
  5. Step 5: Solve for x
    x = 39,580,182,839.04/246,961.60
  6. Step 6: Final answer
    x = 160,268.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.